Your browser does not support iframes. For maximum efficiency, please upgrade to your browser's latest version or use an iframe compatible browser such as Internet Explorer, Netscape, Opera, Mozilla, Firefox, Bezilla, Galleon, WarpZilla or Lynx.

Excellent improvements made over the previous generation and superb image quality. I never thought I would say this about a zoom, but best lens that Canon has made to date.

Pros are certainly in better vignette control, the weather proof build, locking lens hood, and image quality. Some might think a poly carbonate build is not better than metal. After dropping my 100L of the same kind of build 3 times, I can tell you this is better than metal.

Another concern some might make is the lack of IS. I have no issues that this doesn't have IS and kind of glad they didn't as it would have added weight to this lens which they tried hard to lighten up.